3-Phosphonobenzoic acid

Also known as: 3-Carboxyphenylphosphonic acid, Benzoic acid, 3-phosphono-, m-Phosphonobenzoic acid, m-H2O3PC6H4CO2H

3-Phosphonobenzoic acid (CAS 14899-31-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7O5P and a molecular weight of 202.10100 g/mol. Key properties include a melting point of 256 °C, a boiling point of 518.1ºC at 760mmHg, a density of 1.65g/cm3 and a flash point of 267.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14899-31-1
Jingsj CID: J-1135660-8
Molecular Formula: C₇H₇O₅P
Molecular Weight: 202.10100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	256 °C
Boiling Point	518.1ºC at 760mmHg
Density	1.65g/cm3
Flash Point	267.2ºC
Exact Mass	202.00300
PSA	104.64000
LogP	0.18780
Vapor Pressure	1.46E-11mmHg at 25°C
Refractive Index	1.619

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Phosphonobenzoic acid?

The CAS number of 3-Phosphonobenzoic acid is 14899-31-1.

What are the molecular formula and molecular weight of 3-Phosphonobenzoic acid?

3-Phosphonobenzoic acid has molecular formula C7H7O5P and molecular weight 202.10100 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3-Phosphonobenzoic acid (CAS 14899-31-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1135660-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.